Stimulants

Definition

Stimulants are substances that increase activity in the central nervous system, leading to increased alertness, attention, and energy.

Scientific / Technical Definition

Stimulants are a class of psychoactive compounds that enhance the concentration of certain neurotransmitters in the brain, particularly norepinephrine and dopamine, which results in increased physiological and nervous system activity. They are often used to improve physical and cognitive performance.

Benefits

• Enhanced physical performance
• Increased mental alertness
• Improved concentration and focus
• Reduced perception of fatigue

Examples

• Caffeine from coffee or tea
• Amphetamines used in medical treatments
• Ephedrine found in some traditional Chinese medicine
• Nicotine from tobacco

Additional Information

• sideEffects: Potential side effects include increased heart rate, anxiety, insomnia, and high blood pressure. Dependence and withdrawal symptoms can occur with prolonged use.
• effects: Stimulants increase the availability of norepinephrine and dopamine, enhancing signaling between neurons, which results in improved physical and mental capabilities.

Related Terms

• Caffeine
• Ergogenic aids

References

• Stimulants: Use and Impact
• Effects of Stimulant Drugs
• Performance Enhancement with Stimulants